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non smoker

Showing 26 - 50 of >10,000
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Smoking on Mortality in Acute Respiratory Syndrome Coronavirus 2

Completed
  • Covid19
  • Smoking
  • no intervention
  • Istanbul, Turkey
    Sisli Hamidiye Etfal Research and Training Hospital
May 1, 2021

Mouth Diseases, Periodontal Inflammation, Periodontal Diseases Trial in Antalya (GCF obtaining, Saliva Obtaining, Serum

Completed
  • Mouth Diseases
  • +2 more
  • GCF obtaining
  • +2 more
  • Antalya, Turkey
    Akdeniz University Faculty of Dentistry
Jun 29, 2022

Lung Cancer Trial in Singapore (Low-dose CT of the Chest (LDCT) + Sampling for Biomarker Assays)

Recruiting
  • Lung Cancer
  • Low-dose CT of the Chest (LDCT) + Sampling for Biomarker Assays
  • Singapore, Singapore
  • +2 more
Feb 1, 2023

Smoking Cessation Trial in Minneapolis (Support Person Coaching Intervention, Support Person Written Materials)

Recruiting
  • Smoking Cessation
  • Support Person Coaching Intervention
  • Support Person Written Materials
  • Minneapolis, Minnesota
    Minneapolis Veterans Administration Health Care System
May 4, 2022

Smoking Cessation Trial (Older Smoker Motivational Intervention, Control Motivational Message)

Not yet recruiting
  • Smoking Cessation
  • Older Smoker Motivational Intervention
  • Control Motivational Message
  • (no location specified)
Jul 11, 2022

GCF Galectin-3 and Interleukin-1beta Levels in Periodontitis.

Completed
  • Periodontitis
  • Periodontal Inflammation
  • Periodontal clinical measurements and gingival crevicular fluid sampling
  • Aydın, Turkey
    Adnan Menderes University, Faculty of Dentistry, Department of P
Jul 4, 2022

Tooth Loss in Regular and Irregular Compliant Smokers and

Enrolling by invitation
  • Periodontal Diseases
  • +3 more
  • Maintenance
  • Beirut, Lebanon
    Saint-Joseph University of Beirut
Apr 25, 2022

Method for Extraction and Quantification of Gingival Tissue

Recruiting
  • Smoking, Cigarette
  • biopsie
  • Liège, Liege, Belgium
    Salhi
Feb 16, 2023

Microbiological Diversity in Exhaled Air in Chronic Obstructive

Not yet recruiting
  • Chronic Obstructive Pulmonary Disease
  • collection of human exhalation
  • (no location specified)
Jun 24, 2022

Human Intestinal Macrophages in Metabolic Disease

Completed
  • Metabolic Disease
  • tissue samples, blood and stool sample
  • Basel, Baselstadt, Switzerland
    University Hospital Basel
Jun 22, 2022

Lung Cancer Patient ExperiEnce in the Real-World Setting

Recruiting
  • Lung Cancer Patients
  • Caregivers
  • There are no interventions in this study. All participants complete online surveys.
  • Bethesda, Maryland
    LUNGevity Foundation
Apr 26, 2023

Clinical & Systems Medicine Investigations of Smoking-related

Active, not recruiting
  • Chronic Obstructive Pulmonary Disease
  • +4 more
    • Stockholm, Sverige, Sweden
      Karolinska Institutet/Karolinska University Hospital Solna
    Nov 24, 2022

    NSCLC Trial in Worldwide (MEDI4736, PLACEBO)

    Active, not recruiting
    Has Results
    • Non-Small Cell Lung Cancer
    • Chandler, Arizona
    • +235 more
    Jan 4, 2023

    HIF-1 Alpha, VEGF and MMP-8 Levels in PICF of Smokers Versus Non

    Completed
    • Peri-Implantitis
      • Cairo, Egypt
        Faculty of oral and dental medicine,FUE, Cairo,Egypt
      Apr 13, 2022

      Smoking Cessation Trial in United States (Enhanced Care, Basic Care)

      Active, not recruiting
      • Smoking Cessation
      • Enhanced Care
      • Basic Care
      • Charleston, South Carolina
      • +5 more
      Jan 4, 2023

      Male Infertility Trial in Toulouse (Fragmented DNA evaluation in blood and semen samples)

      Completed
      • Male Infertility
      • Fragmented DNA evaluation in blood and semen samples
      • Toulouse, France
        CHU Toulouse, Service de médecine de la reproduction
      Jul 18, 2022

      Cervical Radiculopathy Trial (Anterior cervical decompression surgery, Posterior cervical foraminotomy with or without

      Completed
      • Cervical Radiculopathy
      • Anterior cervical decompression surgery
      • Posterior cervical foraminotomy with or without laminectomy
      • (no location specified)
      Oct 27, 2023

      Pulmonaryhypertension in Copd at Different Levels of Smoking

      Not yet recruiting
      • Pulmonary Hypertension
      • Echocardiography and HRCT
      • (no location specified)
      Sep 13, 2023

      Association of Herpesvirus and Periodontitis

      Completed
      • Periodontitis
      • Sampe collection
      • Lisbon, Portugal
        Malo Clinic
      Nov 21, 2022

      Healing of Apical periodontitis-the Effect of Diabetes Mellitus

      Recruiting
      • Periapical Periodontitis
      • non-surgical endodontic treatment
      • Rijeka, Croatia
        University of Rijeka Faculty of Dental Medicine
      Jan 3, 2022

      Effect of Smoking on Periapical Healing After NSRCT

      Completed
      • Apical Periodontitis
      • Non Surgical Root Canal Treatment
      • Rohtak, Haryana, India
        PGIDS
      Apr 4, 2023

      Gingival Recession, Gingival Recession, Localized Trial in Kütahya (i-PRF application procedure)

      Enrolling by invitation
      • Gingival Recession
      • Gingival Recession, Localized
      • i-PRF application procedure
      • Kütahya, Turkey
        Kütahya Health Sciences University Faculty of Dentistry, Departm
      Oct 19, 2022

      Periodontal Diseases, Smoking Trial in Istanbul (Non-surgically performed scaling and root planing)

      Completed
      • Periodontal Diseases
      • Smoking
      • Non-surgically performed scaling and root planing
      • Istanbul, Turkey
        Marmara University, Faculty of Dentistry, Department of Periodon
      Mar 1, 2022

      Collection of Sputum and Labeling for Lung Cancer

      Recruiting
      • Lung Cancer
        • Waterbury, Connecticut
        • +6 more
        Jul 19, 2022

        Immunity, Smoking, Cigarette Trial in Memphis (100 mg Solarplast, Placebo)

        Recruiting
        • Immunity
        • Smoking, Cigarette
        • 100 mg Solarplast
        • Placebo
        • Memphis, Tennessee
          Center for Nutraceutical and Dietary Supplement Research
        Dec 8, 2021